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<div class="title">atca_crypto_sw_sha2.h</div>  </div>
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<a href="a00284.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#ifndef ATCA_CRYPTO_SW_SHA2_H</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#define ATCA_CRYPTO_SW_SHA2_H</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="a00260.html">atca_crypto_sw.h</a>&quot;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="a03536.html#ga86364f6d07b86740f3170d9d1ca60641">   43</a></span>&#160;<span class="preprocessor">#define ATCA_SHA2_256_DIGEST_SIZE (32)</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="a03635.html">   45</a></span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;{</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="a03635.html#a517ae98c637466c44dc7e26a3abccf02">   47</a></span>&#160;    uint32_t pad[48]; </div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;} <a class="code" href="a03635.html">atcac_sha2_256_ctx</a>;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keywordtype">int</span> <a class="code" href="a03536.html#ga58283666b662f084155ba693870c1077">atcac_sw_sha2_256_init</a>(<a class="code" href="a03635.html">atcac_sha2_256_ctx</a>* ctx);</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keywordtype">int</span> <a class="code" href="a03536.html#gab1a09fa1d854722cc667cea319ca9984">atcac_sw_sha2_256_update</a>(<a class="code" href="a03635.html">atcac_sha2_256_ctx</a>* ctx, <span class="keyword">const</span> uint8_t* data, <span class="keywordtype">size_t</span> data_size);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="keywordtype">int</span> <a class="code" href="a03536.html#gae3a29931f2104cce481aa9ef1ab16fea">atcac_sw_sha2_256_finish</a>(<a class="code" href="a03635.html">atcac_sha2_256_ctx</a> * ctx, uint8_t digest[<a class="code" href="a03536.html#ga86364f6d07b86740f3170d9d1ca60641">ATCA_SHA2_256_DIGEST_SIZE</a>]);</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keywordtype">int</span> <a class="code" href="a03536.html#ga63412270c4629874f2764171200c1b5c">atcac_sw_sha2_256</a>(<span class="keyword">const</span> uint8_t * data, <span class="keywordtype">size_t</span> data_size, uint8_t digest[<a class="code" href="a03536.html#ga86364f6d07b86740f3170d9d1ca60641">ATCA_SHA2_256_DIGEST_SIZE</a>]);</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;}</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="a03536_html_ga58283666b662f084155ba693870c1077"><div class="ttname"><a href="a03536.html#ga58283666b662f084155ba693870c1077">atcac_sw_sha2_256_init</a></div><div class="ttdeci">int atcac_sw_sha2_256_init(atcac_sha2_256_ctx *ctx)</div><div class="ttdoc">initializes the SHA256 software </div><div class="ttdef"><b>Definition:</b> atca_crypto_sw_sha2.c:36</div></div>
<div class="ttc" id="a03536_html_gab1a09fa1d854722cc667cea319ca9984"><div class="ttname"><a href="a03536.html#gab1a09fa1d854722cc667cea319ca9984">atcac_sw_sha2_256_update</a></div><div class="ttdeci">int atcac_sw_sha2_256_update(atcac_sha2_256_ctx *ctx, const uint8_t *data, size_t data_size)</div><div class="ttdoc">updates the running hash with the next block of data, called iteratively for the entire stream of dat...</div><div class="ttdef"><b>Definition:</b> atca_crypto_sw_sha2.c:55</div></div>
<div class="ttc" id="a03635_html"><div class="ttname"><a href="a03635.html">atcac_sha2_256_ctx</a></div><div class="ttdef"><b>Definition:</b> atca_crypto_sw_sha2.h:45</div></div>
<div class="ttc" id="a03536_html_gae3a29931f2104cce481aa9ef1ab16fea"><div class="ttname"><a href="a03536.html#gae3a29931f2104cce481aa9ef1ab16fea">atcac_sw_sha2_256_finish</a></div><div class="ttdeci">int atcac_sw_sha2_256_finish(atcac_sha2_256_ctx *ctx, uint8_t digest[ATCA_SHA2_256_DIGEST_SIZE])</div><div class="ttdoc">completes the final SHA256 calculation and returns the final digest/hash </div><div class="ttdef"><b>Definition:</b> atca_crypto_sw_sha2.c:68</div></div>
<div class="ttc" id="a03536_html_ga63412270c4629874f2764171200c1b5c"><div class="ttname"><a href="a03536.html#ga63412270c4629874f2764171200c1b5c">atcac_sw_sha2_256</a></div><div class="ttdeci">int atcac_sw_sha2_256(const uint8_t *data, size_t data_size, uint8_t digest[ATCA_SHA2_256_DIGEST_SIZE])</div><div class="ttdoc">single call convenience function which computes Hash of given data using SHA256 software ...</div><div class="ttdef"><b>Definition:</b> atca_crypto_sw_sha2.c:83</div></div>
<div class="ttc" id="a03536_html_ga86364f6d07b86740f3170d9d1ca60641"><div class="ttname"><a href="a03536.html#ga86364f6d07b86740f3170d9d1ca60641">ATCA_SHA2_256_DIGEST_SIZE</a></div><div class="ttdeci">#define ATCA_SHA2_256_DIGEST_SIZE</div><div class="ttdef"><b>Definition:</b> atca_crypto_sw_sha2.h:43</div></div>
<div class="ttc" id="a00260_html"><div class="ttname"><a href="a00260.html">atca_crypto_sw.h</a></div><div class="ttdoc">Common defines for CryptoAuthLib software crypto wrappers. </div></div>
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